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🔁 Retries

We will attempt to deliver each webhook up to 3 times.
  • A webhook delivery is considered successful if your server responds with any 2xx HTTP status code.
  • The first retry occurs 10 seconds after the initial attempt.
  • Subsequent retries use exponential backoff, meaning the delay doubles with each failed attempt.

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🕒 Backoff on 429/503 Responses

If your server responds with a 429 Too Many Requests or 503 Service Unavailable:
  • Mailbay will increase the delay before retrying the webhook.
  • If your server includes a Retry-After HTTP header, we will respect it and wait the specified amount of time before retrying.
This gives you control over webhook pacing when your infrastructure is under load.

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📬 Monthly Email Quota

Each Mailbay plan includes a set number of inbound emails per month.
  • Once you reach your quota, no further webhooks will be sent.
  • However, we will still record the incoming email in your dashboard, and you’ll see its status marked as “quota exceeded” on the dashboard.

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🤖 AI Tokens Quota

Each plan also includes a monthly limit of AI processing tokens.
  • Once the token limit is reached, emails will no longer be processed by AI.
  • You will still receive the full email metadata and raw content in the webhook - only the AI analysis will be skipped.
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